Slow Cooker Potato Leek Soup

slow cooker potato leek soup

Slow Cooker Potato Leek Soup is so easy to make! Chop up some veggies, throw them in the slow cooker with some broth and walk away.

Yup. Walk. Away.

It’s the one soup my kids ask for over and over. I really don’t know what it is about this soup, other than it is savory and comforting.

Whatever. I will make what they ask for–especially if it’s as easy as this!

Autumn and winter are the perfect times of year for this flavorful soup. Once fall rolls in and the school year and activities are in full swing, you can bet this recipe makes a regular appearance on my meal plan.

I make it on those really busy nights (read = driving all over town picking up and dropping off kids) when it’s nice to have something ready and waiting.

Simple, straightforward ingredients and only a little washing and chopping, this is a star player in the slow cooker soup category.

How to Make Slow Cooker Potato Leek Soup 

You will need:

  • 4 medium to large potatoes, peeled (optional)
  • 2-3 leeks, sliced, white and light green parts only
  • 32 oz. chicken broth
  • kosher salt
  • pepper
  • Half-n-Half cream (optional)


Rinse, peel and cube the potatoes into 1″ pieces.

Slice the leeks and place in a bowl of water; swish them around to dislodge dirt and sand; let stand for 2-3 minutes (dirt/sand will sink to the bottom of the bowl).

Add potatoes, leeks and chicken broth to the crock pot (in this order).

Season with salt and pepper.

Cook on low heat for 6 hours.

Use an immersion blender or traditional blender to puree the soup.

Check flavor and season to taste.

Optional: If you like a creamier version, stir in 2 ounces of half-n-half cream.

How easy is that?!

What’s your favorite soup in the slow cooker?


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  1. Every year we have soup while my family does our Christmas decorating. This year we’re trying your soup that I discovered on pinterest. Thank you in advance!

  2. I did red potatoes, peeled & chopped 2 stalks leeks sliced and rinsed.THEN……i used Progresso Recipe Starters. yes, in the can. CreamyBasil Parmesan flavor. OMG!!! i had no milk or cream or chicken broth. i babysat this watering it down as needed til done. WOWZA!! SUPER. hubby ate the whole crockpot. i had 1 bowl with my book ….needless to say, its a versatile recipe. thanks guys for sharing and letting me share too 🙂

  3. Do you use baking potatoes? Could you use red potatoes instead? How much in weight do you need in potatoes?

  4. This is really simple. I’ll have to give it a try soon! What can I use in place of half-and-half if I still want a creamy texture? I never have any around the house, and probably wouldn’t buy some just for one recipe. Chili is my go-to slow cooker soup recipe.